(3y-1)^2=(y-3)^2
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(3y-1)^2=(y-3)^2(3y-1)^2=(y-3)^2(3y-1)^2=(y-3)^29Y^2+1-6Y=Y^2+9-6Y8Y^2=8Y^2=1Y=正负19y^2+1-6y=y^2+9-6y
(3y-1)^2=(y-3)^2
(3y-1)^2=(y-3)^2
(3y-1)^2=(y-3)^2
9Y^2 +1-6Y=Y^2 +9-6Y
8Y^2=8
Y^2=1
Y=正负1
9y^2+1-6y=y^2+9-6y
y^2=1
y=±1
（3y-1）^2=(y-3)^2
9y^2 +1-6y=y^2+9-6y
8y^2=8
y^2=1
y为正负1
(3y-1)^2-（y-3)^2 =0
（3y-1+y-3）（3y-1-y-3）=0
（4y-4）（2y-4）=0
∴y1=1
y2=2
y(y-2)²-y(y+3)(y-5) y=1/2 化简求值
y(y-2)²-y(y+3)(y-5) y=1/2 化简求值
y(y-2)²-y(y+3)(y-5) y=1/2 化简求值
y (3y^2+8y-3)-6y(3y+2y-1)+9y
(y-4)(3y+2)-(3y-7)(2y+1),其中y=4/3
2(y-4)(3y+2)-5(-3y+7)(y+1),其中y=-1
解方程3y^2-(2y+1)(y-2)=(y-5)(y-1)
解方程：3y^2-(2y+1)(y-1)=(y-5)(y+1)
解方程：3y²-(2y+1)(y-2)=(y-5)(y+1)
Y(Y-1)-(y-2)*(y+3)=2 Y的解是多少?
解分式方程（y+3)/(y^2+y)-1/(1-y)=4/y要过程
(y^2)^4y-(-2y)^3y^6=
y-(y-1)/2=1-(2y-3)/5
2(y-1)=2y-3(y+1)
y-y-1/2=3-y+2/5
y^3+(x+2)e^y=1 y''(-2)
解方程3y(y-1)=2(1-y)
3Y-2=Y+1+6Y